199400817

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{7639}}^1$

素因数の和:7773

約数の個数: 32

約数和(自身を含む): 334448640

約数和(自身を除く): 135047823

約数列:

[1, 3, 7, 11, 21, 33, 77, 113, 231, 339, 791, 1243, 2373, 3729, 7639, 8701, 22917, 26103, 53473, 84029, 160419, 252087, 588203, 863207, 1764609, 2589621, 6042449, 9495277, 18127347, 28485831, 66466939, 199400817]

約数ペア:

[(1, 199400817), (3, 66466939), (7, 28485831), (11, 18127347), (21, 9495277), (33, 6042449), (77, 2589621), (113, 1764609), (231, 863207), (339, 588203), (791, 252087), (1243, 160419), (2373, 84029), (3729, 53473), (7639, 26103), (8701, 22917)]